Fire Door
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A fire door is a type of door or movable barrier used as part of a passive fire protection system within buildings to prevent the spread of fire or smoke between separate sections. It is usually the only means of allowing people to pass through a fire resistant wall.
Keywords
door, smoke, fire, barrier, fire door, passive fire protection, fire resistant wall, flame retardantGalleries
Health and SafetySource
Government Printing Office The Official Gazette of the United States Patent Office (Washington, DC: Government Printing Office, 1895)
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